Yuko Yamagata (山縣優子, Yamagata Yūko) better known by her ring name Yuu Yamagata (山縣優, Yamagata Yuu) is a Japanese professional wrestler currently working as a freelancer and is best known for her tenure with the Japanese promotions Kaientai Dojo and Pro Wrestling Wave.
Source: “Yuu Yamagata”, English Wikipedia (CC BY-SA 4.0), excerpt